Combined steam and air conveying pipe for an espresso machine



FIG. 1 is a left side elevational view of a combined steam and air conveying pipe for an espresso machine showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a top, front perspective view thereof on a reduced scale; the broken-line showing of the espresso machine is illustrative of environmental structure only and forms no part of the claimed design. 

The ornamental design for a combined steam and air conveying pipe for an espresso machine, as shown and described. 